Home / 1,085,764.40-1,627,587.61-516,992.68

Finding the Fourth Proportional to 1,085,764.40, 1,627,587.61 and 516,992.68

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Solution

The fourth proportional to 1,085,764.40, 1,627,587.61 and 516,992.68 is: 774,984.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,764.40 : 1,627,587.61 = 516,992.68 : x
  2. Step 2: Convert to fraction form
    1,085,764.40/1,627,587.61 = 516,992.68/x
  3. Step 3: Cross multiply
    1,085,764.40x = 1,627,587.61 × 516,992.68
  4. Step 4: Simplify right side
    1,085,764.40x = 841,450,872,290.76
  5. Step 5: Solve for x
    x = 841,450,872,290.76/1,085,764.40
  6. Step 6: Final answer
    x = 774,984.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.